Staff Biographies

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Biographies of each CAPS counselor are listed below in alphabetical order. To see the staff photos click here.

Warren Bush, Ph.D.

Warren has worked with a variety of populations since completing his doctorate from St. John’s University in 2000. He has experience doing psychological assessment with children, adolescents and adults and has worked with people with developmental disabilities, chronic mental illness. He worked for 15 years in a residential setting with adolescents in the juvenile justice and social service systems from the New York City area. Warren is interested finding ways to acknowledge and incorporate understanding of structural inequality and social justice concerns into our historically individualistic profession. He is open minded and pragmatic in his approach to therapy and is interested in making use of DBT, Motivational Interviewing and any approach that has a spirit of collaboration with the client, unconditional positive regard, and validation of the individual experience. Warren enjoys assessment and group work as well. He prefers to think in terms of finding solutions and nurturing resilience in the here and now, but is also comfortable exploring the role of past experiences if relevant to the needs of the client. Warren grew up in South Carolina and Kentucky but lived in New York City for several decades before coming to Southern Illinois.

Gretchen Conner, MA, NCC, LCPC

Gretchen has over a decade of experience working in community mental health with a focus on chronic mental illness, various types of trauma, complex medical needs, and substance issues in adults. She has also taught introductory psychology courses at the community college level. Gretchen's approach to treatment is integrated in nature; drawing heavily on cognitive behavioral therapy, the biopsychosocial model, and humanistic theory. Gretchen believes in utilizing a "whole person" and strengths based perspective throughout the counseling process. Her clinical interest areas include chronic mental health issues and assessment. Gretchen is a proud SIUC alum and completed her M.A. in clinical psychology.

Shelly Ridgeway, MS Ed, LCPC

Shelly has many years of experience providing counseling, skill building, and education to diverse populations within community agencies, private schools, and the SIU community. She values collaborating with students, families, and educational, medical, and other support providers to implement an individualized, holistic approach to counseling services. Shelly enjoys working with clients presenting with a variety of concerns and is particularly enthusiastic about supporting the emotional, behavioral, social, and educational needs of those with learning difficulties, differences, and disabilities. She believes in empowering others to understand their personal processes, strengths, and deficits in order to implement effective strategies and skills to optimize their full potential.

José Arroyo, Ph.D.

José has an extensive background in the psychoanalytic/psychodynamic therapies, although his clinical work integrates interpersonal-process, emotion-focused, and Dialectical Behavioral (DBT) theories and interventions into his clinical practice. His background and interests include training and supervision, LGBTQ+ and genderqueer populations, forensic and psychological assessments, multiculturalism, couples, and trauma. José works with a diverse population of presenting concerns, and he also enjoys working with various marginalized and minority communities to address issues of systemic oppression and marginalization and their impact on well-being. In addition to individual therapy, José also serves as the group coordinator, and he is passionate about the training and provision of group therapy to effectively gain skills and/or work through a variety of presenting concerns amongst one’s peers.

Abby Bilderback, Ph.D.

Abby identifies as a feminist therapist who focuses on the lived experiences and intersecting identities of the individuals she works with. She integrates interpersonal, relational, emotion-focused and Dialectical Behavioral (DBT) theories and interventions. While Abby values working with a diverse caseload in regards to presenting concerns and identities, she focuses on working with individuals who present with concerns related to body image, food issues, and/or disordered eating, as well as victims/survivors/thrivers of sexual assault and trauma. In addition to individual therapy, Abby provides a DBT-skills-based therapy group called “Life Skills” as well as a Women’s process therapy group. She is passionate about training and utilizes a developmental approach and collaborative style within supervision. 

Marquitta Bowman, Psy.D.

While Marquitta enjoys working with a diverse population, she is geared towards working with those who are non-traditional students, ROTC students, military veterans, and clients who are focusing on Alcohol and other Drugs (AOD) recovery and maintenance. In regards to specific presenting concerns, Marquitta often draws from a Cognitive Behavioral Therapy lens but also utilizes other theoretical interventions that can be tailored to any client’s needs.

Jaime Clark, Ph.D.

While Jaime likes working with a diverse caseload of clients presenting with a variety of issues, she is particularly interested in working with clients recovering from trauma, interpersonal relationship difficulties, eating disorders, and chronic mental health difficulties. She also has research, assessment, and clinical experience working with student-athletes and students who have ADHD or learning difficulties. She likes to look at each individual through a multicultural lens, taking into consideration their unique experience and culture in order to increase my understanding of their circumstance. She draws from a number of theoretical interventions and perspectives but tends to draw heavily from Interpersonal Process theories and Dialectical Behavioral Therapy.

Rob Cook, Ph.D.

Rob is a relational therapist who values the therapeutic alliance, transparency, and diversity. His therapy incorporates features from psychodynamic and cognitive-behavioral approaches. Rob’s areas of interest include couples therapy, interpersonal difficulties, family of origin concerns, depression, trauma, and training/supervision. Rob is individualized in his approach and values empowerment and the celebration of individual differences. Rob has a passion for helping college students and has experience providing mental health services at several universities.

Bob Grimmer, MS, LCPC, CRADC

Bob is an alum of SIUC where he earned his Master’s Degree in Rehabilitation Counseling. He has spent a large part of his clinical career working with individuals with complex learning disabilities, and substance use in combination with other mental health difficulties. Bob has worked in public and private preparatory schools, experiential wilderness therapy settings, and residential treatment centers. He finds work with diverse student populations in residential settings to be rewarding experience that continues to help him grow. Bob draws heavily from Mindfulness based counseling practices that have a focus on guided practice for reducing rumination, stress/anxiety, emotional reactivity, and increasing cognitive flexibility.

Aleska Hagan, Ph.D.

Aleska is passionate about increasing educational equity and values providing services to underserved and diverse student populations. She finds the work of supporting students toward finding their version of success very rewarding. Aleska utilizes a variety of treatment modalities and takes an integrative approach to clinical work that is grounded in multicultural and intersectional feminist perspectives. Aleska enjoys working with a diverse caseload in regards to presenting concerns and identities, and she has a specific passion for working with first-generation college students and college students from poor and working-class backgrounds.

Frank Kosmicki, Ph.D.

Frank enjoys working with a wide range of clients and has particular interests in working with individuals with interpersonal problems, trauma histories, attachment issues, personality disturbance, and impulse control problems. His therapy approach tends to be primarily relational and dynamic. He also has interests in psychological assessment and forensics.

Rich Scott, Ph.D.

Rich enjoys working with a variety of clients and presenting concerns. His main interests include training/supervision, LGBTQ identity/wellness, multicultural psychology, suicide prevention, trauma, identity development, first-generation and non-traditional college students, Latino psychology, and the impact of stigma on therapy. Rich’s work with clients incorporates developmental, interpersonal, multicultural, emotion-focused, and person-centered approaches. 

Rebecca Waintrup, Psy.D.

Rebecca enjoys working with a diverse caseload of clients presenting with a variety of symptoms and concerns. In particular, Rebecca focuses on working with clients who present with concerns related to personality disturbance, attachment issues, relationship difficulties, as well as survivors of interpersonal trauma. In addition to individual therapy, Rebecca also provides group therapy including a Dialectical Behavioral Therapy Skills-Based Group and a Women’s Empowerment Group for survivors of gender-based violence. Her therapy approach uses an integrative style guided by client need but tends to draw heavily from Interpersonal Process and Cognitive Behavioral Therapy.